Wax heater



FIG. 1 is a top view of a wax heater showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a perspective view thereof;

FIG. 4 is a cross-sectional side view taken along lines 4-4 of FIG. 5;and,

FIG. 5 is a bottom view.

CLAIM The ornamental design for a wax heater, as shown and described.